30420014971 has 2 divisors, whose sum is σ = 30420014972. Its totient is φ = 30420014970.

The previous prime is 30420014951. The next prime is 30420014993. The reversal of 30420014971 is 17941002403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30420014971 - 2³¹ = 28272531323 is a prime.

It is not a weakly prime, because it can be changed into another prime (30420014921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210007485 + 15210007486.

It is an arithmetic number, because the mean of its divisors is an integer number (15210007486).

Almost surely, 2^30420014971 is an apocalyptic number.

30420014971 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420014971 is an equidigital number, since it uses as much as digits as its factorization.

30420014971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 30420014971 in words is "thirty billion, four hundred twenty million, fourteen thousand, nine hundred seventy-one".